Just remember: use it responsibly. Reset only the waste ink counter, avoid experimental buttons, and physically check your ink pads every few resets. With care, the Canon Service Tool 4905 can extend your printer’s life by years.

The Canon Service Tool v4905 is a proprietary utility software used for the maintenance, diagnosis, and repair of Canon inkjet printers. This paper outlines the capabilities of the software, specifically focusing on its primary functions: Waste Ink Counter reset, Printhead cleaning/alignment, and EEPROM resetting. It further discusses compatibility requirements, the operational procedure for "Service Mode," and the critical safety considerations necessary to prevent hardware damage during the maintenance process.

Possibly, but not necessarily. Clearing EEPROM resets the printer’s internal serial number and region settings. The printer may ask for a new print head alignment. Run the “EEPROM Print” button first to backup values (if available). Without a backup, your printer may become region-locked.

This professional utility allows for advanced service operations including: Maintenance Resets: